<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <!-- 核心属性 -->
    <div id="school" style="height:100px;width:200px;">广西科技</div>
    <div class="clazz">软件</div>
    <div title="这是实训一">软件</div>
    <div name="name属性">软件</div>
    
    <!-- 特有属性 -->
    <img src="https://pics3.baidu.com/feed/4bed2e738bd4b31c1d9148808aaba5799f2ff8e4.jpeg?token=cbc2bc42e2b14aa9ea4645cf92366eaa" alt="图片加载失败^-^">
    <div>这是一个按钮</div>
    <a href="https://www.baidu.com/" target="_blank">百度一下</a>
    <span style="height:100px;width:200px;display:inline-block;">今天天气真好</span>
</body>
</html>